.expand-transition {
  transition: all 0.3s ease;
  height: 30px;
  padding: 10px;
  background-color: #eeeeee;
  overflow: hidden;
}
.expand-enter,
.expand-leave {
  height: 0;
  padding: 0 10px;
  opacity: 0;
}
.bounce-transition {
  display: inline-block;
}
.bounce-enter {
  -webkit-animation: bounce-in 0.5s;
  -o-animation: bounce-in 0.5s;
  animation: bounce-in 0.5s;
}
.bounce-leave {
  -webkit-animation: bounce-out 0.5s;
  -o-animation: bounce-out 0.5s;
  animation: bounce-out 0.5s;
}
@keyframes bounce-in {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
  50% {
    -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    -ms-transform: scale(1.5);
    -o-transform: scale(1.5);
    transform: scale(1.5);
  }
  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes bounce-out {
  0% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.5);
    -moz-transform: scale(1.5);
    -ms-transform: scale(1.5);
    -o-transform: scale(1.5);
    transform: scale(1.5);
  }
  100% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}
.staggered-transition {
  transition: all 0.5s ease;
  height: 20px;
  margin: 0;
  overflow: hidden;
}
.staggered-enter,
.staggered-leave {
  opacity: 0;
  height: 0;
}
ul {
  padding-left: 0;
  list-style: none;
}
